


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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507 CDUS46 KMTR 140027 CLILVK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 527 PM PDT MON OCT 13 2025 ................................... ...THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR OCTOBER 13 2025... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1930 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 66 11:32 AM 101 2015 79 -13 82 MINIMUM 55 3:16 AM 35 1947 50 5 62 AVERAGE 61 65 -4 72 PRECIPITATION (IN) TODAY 0.26 2.75 2009 0.02 0.24 0.00 MONTH TO DATE 0.86 0.20 0.66 0.00 SINCE OCT 1 0.86 0.20 0.66 0.00 SINCE JAN 1 5.48 10.15 -4.67 11.05 DEGREE DAYS HEATING TODAY 4 2 2 0 MONTH TO DATE 15 22 -7 0 SINCE SEP 1 15 37 -22 2 SINCE JUL 1 15 44 -29 4 COOLING TODAY 0 2 -2 7 MONTH TO DATE 23 36 -13 158 SINCE SEP 1 253 206 47 364 SINCE JAN 1 840 832 8 1286 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (230) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (230) AVERAGE WIND SPEED 9.7 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 90 2:00 PM LOWEST 52 1:00 PM AVERAGE 71 .......................................................... THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 79 100 1950 MINIMUM TEMPERATURE (F) 50 37 1960 SUNRISE AND SUNSET OCTOBER 13 2025.......SUNRISE 7:14 AM PDT SUNSET 6:32 PM PDT OCTOBER 14 2025.......SUNRISE 7:15 AM PDT SUNSET 6:31 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$